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Curious Kids: Puzzles and Illusions

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Curious Kids Puzzles and Illusions

Did You Know?

Could you find Waldo in a crowd of Waldos? Some fans got together at a Japanese stadium in 2017 to set a record for the most Waldos in one place: 4,626 people all dressed as Waldo! Friends had to stay close together in a crowd like that!

Some books below may be eBooks or audiobooks. ask a librarian or parent for help.

Fiction Books

Non-fiction Books

Fun Activities

Spy Kids Games from the Central Intelligence Agency

Play spot-the-difference photo challenges, concentration games, code-breaking and more from the CIA! Hint: under "Break the Code," the second code is easier than the first, so you might want to start there!

A Hole in Your Hand
It’s a cool illusion, and all you need is a piece of paper and some tape.


Muppet Treasure Island - The Great Muppet Caper [DVD]
In one of these two fun movies, the Muppets do their version of the classic pirate tale Treasure Island, and search for hidden treasure using a mysterious map.

Jumanji [DVD]
Here’s the movie version of Chris Van Allsburg’s famous book, about two kids who become part of a mysterious game when they begin to play.

Treasure Buddies [DVD]
In a race against a devious cat, the Buddies and their new friends, Cammy and Babi, must avoid booby traps, solve puzzles, and explore a mysterious tomb, all in search of the greatest treasure known to animal kind.


Magic Eye
Can you see the hidden picture? Challenge your eyes with Magic Eye’s Image of the Week!

I Spy
Choose from lots of I Spy games to play online, from the people who produce the I Spy books.

Anti-gravity Mirror
Check out this funny video showing illusions created when someone moves at the edge of a mirror.

Bird in a Cage
Try this optical illusion online! For why it works, listen to "Bird in a Cage: Do the Experiment," linked on the right side of the screen. Get information on doing the experiment at home at the other links listed.

A Page of Illusions
Look at these common illusions. What is tricking your eyes?